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Security Bulletin: Multiple vulnerabilities in node.js may affect configuration editor used in IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2020-8201, CVE-2020-8252, CVE-2020-8251

Security Bulletin


Summary

Security vulnerabilities have been reported for Node.js. IBM Business Automation Workflow and IBM BPM include a stand-alone tool for editing configuration properties files that is based on IBM SDK for Node.js.

Vulnerability Details

CVEID:   CVE-2020-8201
DESCRIPTION:   Node.js is vulnerable to HTTP request smuggling, caused by CR-to-Hyphen conversion. By sending specially crafted HTTP request headers, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188591 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID:   CVE-2020-8252
DESCRIPTION:   Node.js is vulnerable to a buffer overflow, caused by improper bounds checking by the libuv's fs.realpath.native. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188593 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID:   CVE-2020-8251
DESCRIPTION:   Node.js is vulnerable to a denial of service, caused by delayed unfinished HTTP/1.1 requests submission. An attacker could exploit this vulnerability to make the server unable to accept new connections and exhaust all available resources.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188592 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

 

Affected Product(s)Version(s)
IBM Business Automation WorkflowV20.0
V19.0
V18.0
IBM Business Process ManagerV8.6
V8.5

For earlier and unsupported versions of the products, IBM recommends upgrading to a fixed, supported version of the product.


Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62874 as soon as practical:

For IBM Business Automation Workflow V18.0, V19.0, and V20.0
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62874
--OR--
· Apply cumulative fix Business Automation Workflow V20.0.0.2 or later

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62874
--OR--
· Upgrade to Business Automation Workflow V20.0.0.2 or later

For IBM BPM V8.5
· Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix JR62874
--OR--
· Upgrade to Business Automation Workflow V20.0.0.2 or later

Workarounds and Mitigations

IBM BPM Configuration Editor is a stand-alone tool for editing properties file. Use a standard text file editor instead.

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

11 Dec 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
11 December 2020

UID

ibm16381256

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